/**
 * Copyright (c) 2016-2019 人人开源 All rights reserved.
 *
 * 
 *
 * 版权所有，侵权必究！
 */

package com.hx01.config;

import com.hx01.modules.sys.oauth2.OAuth2Filter;
import com.hx01.modules.sys.oauth2.OAuth2Realm;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.spring.LifecycleBeanPostProcessor;
import org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.Filter;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

/**
 * Shiro配置
 */
@Configuration
public class ShiroConfig {
    @Autowired
    private ShiroFilterConfig shiroFilterConfig;

    @Bean("securityManager")
    public SecurityManager securityManager(OAuth2Realm oAuth2Realm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(oAuth2Realm);
        securityManager.setRememberMeManager(null);
        return securityManager;
    }

    @Bean("shiroFilter")
    public ShiroFilterFactoryBean shiroFilter(SecurityManager securityManager) {
        ShiroFilterFactoryBean shiroFilter = new ShiroFilterFactoryBean();
        shiroFilter.setSecurityManager(securityManager);
        //oauth过滤
        if (shiroFilterConfig.isEnabled()) {
            Map<String, Filter> filters = new HashMap<>();
            filters.put("oauth2", new OAuth2Filter());
            shiroFilter.setFilters(filters);

            Map<String, String> filterMap = new LinkedHashMap<>();
            List<String> filterUrl = shiroFilterConfig.getFilterUrl();
            for(String url: filterUrl) {
                String[] split = url.split("\\|");
                filterMap.put(split[0], split[1]);
            }
            shiroFilter.setFilterChainDefinitionMap(filterMap);
        }
        return shiroFilter;
    }

    @Bean("lifecycleBeanPostProcessor")
    public static LifecycleBeanPostProcessor lifecycleBeanPostProcessor() {
        return new LifecycleBeanPostProcessor();
    }

    @Bean
    public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor(SecurityManager securityManager) {
        AuthorizationAttributeSourceAdvisor advisor = new AuthorizationAttributeSourceAdvisor();
        advisor.setSecurityManager(securityManager);
        return advisor;
    }
}
